Samsung CM1319 Service Manual Download Page 1

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SERVICE

MICROWAVE OVEN

CONTENTS

MICROWAVE OVEN

1. Precaution

2. Specifications

3. Operating Instructions

4. Disassembly and Reassembly

5. Alignment and Adjustments

6. Troubleshooting

7. Exploded Views and Parts List

8. Schematic Diagrams

9. Wiring Diagram &

Operating Sequence

Manual

CM1319 / CM1329

CM1619 / CM1629

CM1919 / CM1929

SESC

+ 20sec

Summary of Contents for CM1319

Page 1: ...ons 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 Schematic Diagrams 9 Wiring Diagram Operating Sequence Manual CM1319 CM1329 CM1619 CM1629 CM1919 CM1929 SESC P 1 2 3 4 5 6 7 8 9 0 20sec ...

Page 2: ...s and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems s...

Page 3: ...e time Primary door sensing switch and power relay as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteration Warning Use exact replacement parts only i e only those that are specified in the drawings and parts lists of this manual ...

Page 4: ...he high voltage exceeds the specified limits check each of the special components PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH VOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to work on or near these circuits with the oven energized DO NOT measure the voltage in the high voltage circuit including filament...

Page 5: ... NET WEIGHT SHIPPING WEIGHT Max 25min 230V 50Hz AC MICROWAVE 3200W 1850W ICE 705 2 450MHz OM75P 20 ESS VENTILATION MOTOR 464 W 368 H 557 D 32 Kg 34 5 Kg Max 25min 230V 50Hz AC MICROWAVE 3000W 1600W ICE 705 2 450MHz OM75P 20 ESS VENTILATION MOTOR 464 W 368 H 557 D 32 Kg 34 5 Kg Max 25min 230V 50Hz AC MICROWAVE 2600W 1300W ICE 705 2 450MHz OM75P 20 ESS VENTILATION MOTOR 464 W 368 H 557 D 32 Kg 34 5 ...

Page 6: ...ER DOOR HANDLE DOOR START BUTTON CEILING COVER SAFETY INTERLOCK HOLES CONTROL PANEL DOOR LATCHES PLATE TRAY AIR FILTER OVEN LAMP 230V 25W DISPLAY OVEN LAMP COVER DOOR HANDLE DOOR 20sec PAD STOP CANCEL PAD START BUTTON CEILING COVER SAFETY INTERLOCK HOLES VARIABLE COOKING POWER CONTROL DIAL TIMER DIAL DOOR LATCHES PLATE TRAY AIR FILTER ...

Page 7: ...486 530 43 26 557 1 2 4 3 5 6 7 8 9 10 P 1 2 3 4 5 6 7 8 9 0 20sec 1 DISPLAY 2 PROGRAM PAD 3 PROGRAM LOCK PAD 4 NUMBER PADS TIME MEMORY PROGRAMMING 5 POWER LEVEL SELECTOR PAD 6 DEFROST SELECTOR PAD 7 DOUBLE QUANTITY PAD 8 20sec PAD ONE TOUCH COOK PAD 9 STOP CANCEL PAD 10 START BUTTON ...

Page 8: ...The time on digital display will count down 7 When all time is elapsed the end of cycle Beep Tone will sound 4 times and all heating will stop The oven lamp will go off For 1 min the display shows and the cooling fan will keep working in order to cool down the interior parts During the time the fan will not stop even when you open the door 1 min later it will stop and ON appears again Food may be ...

Page 9: ...cooking settings before starting cooking simply press once Using the Defrost Feature The Defrost feature enables you to defrost meat poultry fish NOTE Only use containers that are microwave safe 1 Open the door 2 Place the frozen food in the center of the plate tray 3 Close the door 4 Rotate the Variable Cooking Power Control dial to the DEFROST HIGH or DEFROST LOW as you wish Result The DEFROST i...

Page 10: ...und 4 times and all heating will stop The oven lamp will go off For1min thedisplay shows 0 and the cooling fan will keep working in order to cool down the interior parts During the time the fan will not stop even when you open the door 1 min later it will stop Food may be removed from oven whilst the fan is still running 4 Open the door and take the food out Close the door The oven lamp will go of...

Page 11: ...NUMBER pads will not operate or respond when you press a cooking time exceeding the maximum value It is not possible to set a cooking time for longer than the maximum time allowed on the chosen program It is advisable to press CANCEL and to enter a new power level and cooking time 3 Repeat steps 1 and 2 for II or III stage memory programming 4 Press button Result The oven lamp and cooling fan will...

Page 12: ... advisable to press CANCEL and enter a new defrost level and time Repeat Feature You can repeat the previous cooking setting regardless of manual or automatic memory heating by pressing the START button The oven starts with exactly the same heating time and power level that were used in the last operation NOTE Repeat feature does not support for 20sec pad The repeat feature will be cancelled once ...

Page 13: ... the title Power Levels and Time Variations The NUMBER pads will not operate or respond when you press a cooking time exceeding the maximum value It is not possible to set a cooking time for longer than the maximum time allowed on the chosen program It is advisable to press CANCEL and to enter a new power level and cooking time 5 Hold down PROGRAM LOCK and then press PROGRAM pad Hold together for ...

Page 14: ...ime exceeding the maximum value It is not possible to set a cooking time for longer than the maximum time allowed on the chosen program It is advisable to press CANCEL and to enter a new power level and cooking time 5 Repeat steps 3 and 4 for II or III stage memory programming 6 Hold down PROGRAM LOCK and then press PROGRAM pad Hold together for 2 sec once again Result PROG indicator and memory nu...

Page 15: ...op the cooking Temporarily Open the door or press pad once Result Cooking stops To resume cooking close the door and press again Completely Press the pad twice Result The cooking settings are cancelled If you want to cancel any cooking settings before starting cooking simply press CANCEL pad once Power Levels and Time Variations CM1919 1929 CM1619 1629 CM1319 1329 The power level function enables ...

Page 16: ...the nut flanges securing the magnetron by using a box wrench 6 Take out the magnetron very carefully NOTE1 When removing the magnetron make sure that its antenna does not hit any adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition See page 19 for adjustment instructions ...

Page 17: ...nsert the flat screwdriver or thin metal plate into the gap between the door E and door C to remove Door C from the door assembly NOTE Be careful when handling Door C as is fragile NOTE The thickness of the flat screwdriver or thin metal plate inserted into the gap should be 0 5mm or less 3 Remove 2 screws securing the Door Handle to the Door E Assy 4 Unbend the 2 metal tabs at both ends of the Do...

Page 18: ...down 4 Take the ceiling cover out of the oven cavity 5 Remove plastic clips securing the Ass y Stirrer Caution When removing the Assy Stirrer Cover be sure to be extremely careful about the exposed inside components on the top of the oven cavity If any of them are deformed abnormal symptom can happen such as arcing or sparks during operation 4 5 2 Replacement of Drive Motor 1 Remove outer panel an...

Page 19: ...9 6 Remove Control Box Ass y 7 To replace Digitron remove 2 screws securing the PCB4 8 To replace Start Button Circuitry remove 3 screws securing the PCB3 CM1929 1629 1329 9 Unbend the metal tabs holding the Panel Base to Control Box body 4 6 2 Removal of main P C Board 1 Remove Control Box Assembly by following the steps 1 5 at left 2 Remove 4 screws securing the main P C Board to the bracket P C...

Page 20: ...l into the gap between the oven wall and the tray silicon cover 3 Insert the new tray by tilting it across the oven cavity 4 Firstly fix the front part refers to the place where the silicon cover is thinner than the other 3 edges and then place the backward part carefully and firmly NOTE Be careful when you handle the tray since it is fragile 4 9 Replacement of Lamp NOTE You don t need to remove t...

Page 21: ...e post carefully Note Spacer pins are not detachable from the Air Filter 4 11 Replacement of High Voltage Capacitor NOTE It is not necessary to remove Magnetron in order to remove HVC 1 Remove the outer panel and back cover 2 Discharge the high voltage capacitor 3 Remove HVT wire and H V Fuse 4 Remove screws securing HVC bracket H V Capacitor Plastic Spacer Pins ...

Page 22: ...ad open 5 4 High Voltage Capacitor 1 Check continuity of the capacitor with the meter set at the highest resistance scale 2 Once the capacitor is charged a normal capacitor shows continuity for a short time and then indicates 9M 3 A shorted capacitor will show continuous continuity 4 An open capacitor will show constant 9M 5 Resistance between each terminal and chassis should read infinite PRECAUT...

Page 23: ...ck for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Completely tighten the screws holding the Latch Body to the oven assembly 3 Reconnect to Monitor switch and check the continuity of the monitor circuit and all latch switches again by following the components test procedures 4 Confirm that the gap between the switch housin...

Page 24: ...eight T0 Room temperature 7 Normal temperature rise for this model is 9 to 11 at HIGH NOTE 1 Variations or errors in the test procedure will cause a variance in the temperature rise Additional power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step 5 by a factor of 90 times of centigrade temperature 5 9 Microwave H...

Page 25: ...ure that the probe end at the base of the cone does not get closer than 2 inches to any metal If it gets closer than 2 inches erroneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment 5 10 2 Note on Measurement 1 Do not exceed the limited scale 2 The test probe must be held on the grip of the handle otherwise a false reading may result when the operator ...

Page 26: ...Ass y PCB 3 Shorted or open membrane panel 4 Defective Ass y PCB Refer to operation procedure Replace PCB main Timer starts countdown but no microwave oscillation No heat while oven lamp and fan motor turn on 1 Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will bring lower magnetron filament voltage and cause magnetron to lower...

Page 27: ...ode Tighten screws of Cover Back Drive motor not work Ass y stirrer does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor 3 Defective ass y stirrer Check the wire of drive motor Replace drive motor Replace ass y stirrer Oven stops operation during cooking 1 Operation of thermal cutout Magnetron or Cavity 2 Fan motor does not rotate Adjust door and latch switches Rep...

Page 28: ...e motor if defective E41 1 Main Relay RY1 or Power Relay RY2 failure 2 Loose lead wires of relay 3 Primary or Monitor S W failure 4 Loose lead wires of Primary or Monitor S W 5 H V Trans input power sensing circuitry failure Check Main Relay RY1 Power Relay RY2 Primary S W and Monitor S W and replace if defective Check if lead wires are loosened and connect firmly if loose Check the circuitry and ...

Page 29: ...ded Views 46 MM87 MM01 MM07 MM49 MM08 MM14 MM29 MM32 MM31 MM33 MM89 MM48 MM05 MM46 MM37 MM86 MM16 MM18 MM30 MB042 MM55 MM72 MM59 MM06 MM43 MM38 MM17 MM17 MM40 MM53 MM44 MM22 MM10 MM11 MM36 MM85 MM03 MB05 MB041 MB02 MB02 MB02 MB01 MM28 MB07 MM47 ...

Page 30: ...6 N 1 MM28 DE80 10113C BASE PLATE CM1819 SECC1 1 MM29 2501 001018 C OIL 800nF 2100V BK 35X54X70 20mm 2 CM1319 29 MM29 2501 001015 C OIL 1 0uF 2100V BK 35X54X80 20mm 2 CM1619 29 MM29 2501 001019 C OIL 1 10uF 2100V BK 35X54X90 20mm 2 CM1919 29 MM30 DE61 50120A BRACKET HVC SECC T0 5 W62 L72 2 MM31 DE59 40001A DIODE H V HVR 1X 32B 12 2 CM1319 29 MM31 DE91 70063A ASSY HVD V2M6 PI9 0 0 05MT 2 CM1619 29 ...

Page 31: ...0 8 D0 8 2 MD08 DE61 80138A HINGE SHV 945EG1 KEC T3 0 W24 5 L29 5 2 MD10 DE64 40296A DOOR KEY CR3C 2 MD13 DE60 60080A PIN KEY A M3 95 L21 STS304 CM 1819 2 DOOR E MD14 DE64 20123A HANDLE CM 1819 ZN DICASTING CM 1 1 MD15 DE64 90145A DECORATION DOOR ABS CM 1819 CM 1 1 MD16 DE64 90146A DECORATION COV DOOR STS CM 1819 1 MD17 DE67 20174A SCREEN DOOR B TEMP GLASS T3 2 1 MD18 DE71 60433A COVER HANDLE STS4...

Page 32: ...RESIN ABS Ni Cr pla 1 MC11 DE64 10144A KNOB TIMER RESIN ABS Ni Cr pla 1 MC13 DE93 30528D ASSY CONTROL PANEL CM1319 COMMERCIAL 1 MC14 DE66 20211A BUTTON SELECT Ni Cr plating CM 1 1 MC15 DE66 20212B BUTTON START CM1929 XEU ABS PANTONE3 1 MC16 DE70 30126A PANEL BASE RESIN ABS ME CM 1819 1 MC17 DE71 60427A COVER PANEL STS430 T0 5 ME CM 1829 1 MC18 DE71 60428B COVER PANEL L CM1019 ABS CM101 1 MC19 DE71...

Page 33: ...C07 RC CM1819VI 01 ASSY PCB PARTS CM1829 230V50HZ 1 CM1929 MC13 DE93 30529N ASSY CONTROL PANEL CM1329 COMMERCIAL 1 MC15 DE66 20212B BUTTON START CM1929 XEU ABS PANTONE3 1 MC16 DE70 30125A PANEL BASE RESIN ABS TC CM 1829 1 MC17 DE71 60426A COVER PANEL STS430 T0 5 TC CM 1829 1 MC18 DE71 60428B COVER PANEL L CM1019 ABS CM101 1 MC19 DE71 60429B COVER PANEL R CM1019 ABS CM101 1 MC20 DE39 40694A WIRE HA...

Page 34: ...H M3 L8 4 MAIN PCB DE60 10046A SCREW TAP PH FEFZY PH M3 L8 1 TCO DUCT DE60 10088A SCREW TAP PH FEFZY PLAIN PH M3 L8 2 DE60 10088A SCREW TAP PH FEFZY PLAIN PH M3 L8 7 PCB DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 BODY LATCH DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 3 C PANEL DE60 10121A SCREW TAP TH 77128 540 081 SAYONG 2 4X8 FE FZY 3 DECORATION DE60 10012A SCREW TAP TITE SWR10 M4 L10...

Page 35: ... 8 P C B Diagrams 8 1 P C B Diagrams ...

Page 36: ... 2m 1 R14 2007 000277 R CHIP 100KOHM 1 1 10W DA TP 2012 1 R15 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 5 R10 R17 R18 R31 R32 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 5 R48 R50 R54 R55 2007 000451 R CHIP 180OHM 5 1 8W DA TP 3216 1 R43 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 4 R09 R12 R29 R30 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 5 R51 R53 R56 R57 2007 000496 R CHIP 2 2KOHM 5 1 8W ...

Page 37: ...9 Wiring Diagram Operating Sequence 9 1 Wiring Diagram 35 ...

Page 38: ...or relay 2 should not work when the power relay 1 does The power realy 1 is energized for 15 seconds and then the power relay 2 is energized for 15 seconds in turn One complete ON and OFF cycle time of the power relay 1 and 2 is 30 seconds The relation between indications on the display window and the output power of the microwave oven is as shown in figure below LAMP VENT MAIN PWR1 PWR2 PWR1 PWR2...

Page 39: ...below When the oven is set to DEFROST power position Inrush Relay1 and Power Relay1 are programmed to work with Inrush Relay2 and Power Relay2 not simultaneously but alternately NOTE LAMP Lamp Relay 250V 5A MAIN Main Relay 250V 16A VENT Ventilation Motor Relay 250V 5A IR1 Inrush Relay1 250V 5A IR2 Inrush Relay2 250V 5A P1 Power Relay1 250V 16A P2 Power Relay2 250V 16A 37 ...

Page 40: ...he primary terminal of High Voltage Transformer when the microwave oven is operating If any abnormal condition eg Micro S W Relay open is detected the error code E41 E42 shows on the display window When the error code appears in the display window check the waveform A B C or D In case of Power Relay 1 RY2 check the waveform A B below In case of Power Relay 2 RY5 check the waveform C D below 38 ...

Page 41: ... Samsung Electronics Co Ltd May 2002 Printed in Korea Code No DE68 02679aA ...

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